A vaccine reaction is any injury or condition that occurs as a result of a vaccination that has been given to protect against disease. Serious reactions to vaccines are very rare, and vaccination is far less risky than the catching the disease it prevents. Reference from A.D.A.M.
The United States Marine Corps (USMC), also known as the United States Marines, is a branch of the United States Armed Forces responsible for providing power projection, using the mobility of the United States Navy, by Congressional mandate, to deliver rapidly, combined-arms task forces on land, at sea, and in the air.
The Marine Corps is one of the most elite fighting forces in the world. The Marines are a part of the Department of the Navy and operate in close cooperation with U.S. Naval forces at sea. The Marine Corps' mission is unique among the services.